Blood test could detect osteoarthritis in the knees eight years before it appears on X-rays

Blood test could detect osteoarthritis in the knees eight years before it appears on X-rays A blood test could detect osteoarthritis in the knees up to eight years before it appears on X-rays – leading to hopes for a preventative treatment. The condition – thought to affect more than five million people in the UK – occurs when cartilage in the knee joint breaks down, causing it to become painful and stiff. The disease is usually not found until it …